Optimize queries for (non-)empty labels - Githubissues

grafana / mimir

Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

https://grafana.com/oss/mimir/

GNU Affero General Public License v3.0

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Optimize queries for (non-)empty labels #9966

Closed aknuds1 closed 1 week ago

aknuds1 commented 1 week ago

What this PR does

Cherry-pick query optimization (mainly for queries involving empty or non-empty labels) https://github.com/prometheus/prometheus/pull/14144. See Prometheus PR for benchmark stats.

Which issue(s) this PR fixes or relates to

Checklist

[ ] Tests updated.
[ ] Documentation added.
[ ] CHANGELOG.md updated - the order of entries should be [CHANGE], [FEATURE], [ENHANCEMENT], [BUGFIX].
[ ] about-versioning.md updated with experimental features.